Table 2 Peak shear strength of granite specimens at different inclination angles (peak shear strength was equal to zero at an inclination angle of 0°).

From: Experimental study on granite acoustic emission and micro-fracture behavior with combined compression and shear loading: phenomenon and mechanism

Experimental scenario (θ)

Experimental case

Strength (MPa)

Absolute deviation (MPa)

Relative deviation (%)

Mean Value (MPa)

Standard deviation (MPa)

Coefficient of variation (%)

5°

2–1

9.4

0.1

1.1

9.3

0.2

2.2

2–2

9.5

0.2

2.1

2–3

9.1

0.2

2.2

10°

3–1

12.5

0.4

3.2

12.9

0.3

2.3

3–2

13.0

0.1

0.8

3–3

13.1

0.2

1.5

20°

4–1

16.5

0.0

0.0

16.5

1.1

6.7

4–2

15.4

0.9

5.8

4–3

17.5

1.0

5.7

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